Home / 28,808.58-43,212.88-9,088.68

Finding the Fourth Proportional to 28,808.58, 43,212.88 and 9,088.68

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Solution

The fourth proportional to 28,808.58, 43,212.88 and 9,088.68 is: 13,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.58 : 43,212.88 = 9,088.68 : x
  2. Step 2: Convert to fraction form
    28,808.58/43,212.88 = 9,088.68/x
  3. Step 3: Cross multiply
    28,808.58x = 43,212.88 × 9,088.68
  4. Step 4: Simplify right side
    28,808.58x = 392,748,038.20
  5. Step 5: Solve for x
    x = 392,748,038.20/28,808.58
  6. Step 6: Final answer
    x = 13,633.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.